downspout是什么意思

downspout

美['daʊnspaʊt]  英['daʊnspaʊt]
n.  落水管

例句

用作名词(n.)
  1. An eave trough used to convey rainwater from the roof to the downspout.用于传输屋顶的雨水到落水管檐沟。
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